315015201 has 6 divisors (see below), whose sum is σ = 455021970. Its totient is φ = 210010128.

The previous prime is 315015191. The next prime is 315015227. The reversal of 315015201 is 102510513.

It can be written as a sum of positive squares in only one way, i.e., 294980625 + 20034576 = 17175^2 + 4476^2 .

It is not a de Polignac number, because 315015201 - 2⁷ = 315015073 is a prime.

It is a super-2 number, since 2×315015201² = 198469153722140802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315015251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17500836 + ... + 17500853.

It is an arithmetic number, because the mean of its divisors is an integer number (75836995).

Almost surely, 2^315015201 is an apocalyptic number.

It is an amenable number.

315015201 is a deficient number, since it is larger than the sum of its proper divisors (140006769).

315015201 is a wasteful number, since it uses less digits than its factorization.

315015201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35001695 (or 35001692 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 315015201 is about 17748.6675837934. The cubic root of 315015201 is about 680.4201562875.

Adding to 315015201 its reverse (102510513), we get a palindrome (417525714).

The spelling of 315015201 in words is "three hundred fifteen million, fifteen thousand, two hundred one".